Description Usage Arguments Value See Also Examples
Calculate time since most recent dose.
1 2 |
x |
a numeric vector of event times |
dose |
length x logical indicating which of x are dose times |
addl |
length x integer: number of additional doses |
ii |
length x numeric: interdose interval for addl |
index |
length x factor (optional) indicating subgroups to evaluate |
pre |
assume that simultaneous sample precedes implied dose |
... |
passed to tod() |
numeric
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